Test authoring guidance
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tessl review fix ./.codex/skills/code-review-testing/SKILL.mdFor agent changes prefer integration tests over unit tests. Integration tests are under core/suite and use test_codex to set up a test instance of codex.
Features that change the agent logic MUST add an integration test:
If unit tests are needed, put them in a dedicated test file (*_tests.rs). Avoid test-only functions in the main implementation.
Check whether there are existing helpers to make tests more streamlined and readable.
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